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Keflavik Intl

$359+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
mar. 26 — abr. 21
jue. 3/26
jue. 4/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 24, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/205:00 pm
DCA
-
KEF
1 stop12h 30m
Virgin Atlantic
dom. 4/2611:25 am
KEF
-
DCA
1 stop10h 05m
Virgin Atlantic
Deal found 2/23$529
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/125:02 pm
DCA
-
KEF
1 stop12h 28m
Delta
dom. 4/2611:25 am
KEF
-
DCA
1 stop15h 16m
Delta
Deal found 2/23$539
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/187:30 am
DCA
-
KEF
1 stop21h 00m
United Airlines
mié. 8/2610:00 am
KEF
-
DCA
1 stop26h 52m
United Airlines
Deal found 2/21$540
This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/308:00 pm
DCA
-
KEF
1 stop8h 10m
Icelandair
lun. 4/67:55 pm
KEF
-
DCA
1 stop16h 04m
Icelandair
Deal found 2/23$542
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/53:39 pm
DCA
-
KEF
1 stop10h 26m
Icelandair
jue. 4/97:55 pm
KEF
-
DCA
1 stop16h 14m
Icelandair
Deal found 2/21$543
This KLM deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/184:00 pm
DCA
-
KEF
2 stops13h 30m
Multiple Airlines
sáb. 4/2511:25 am
KEF
-
DCA
2 stops13h 08m
Multiple Airlines
Deal found 2/22$544
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/246:00 am
DCA
-
KEF
2 stops23h 25m
Multiple Airlines
mar. 4/288:35 am
KEF
-
DCA
2 stops17h 54m
Multiple Airlines
Deal found 2/20$545
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1112:55 pm
DCA
-
KEF
2 stops39h 00m
Air Canada
mar. 8/259:15 am
KEF
-
DCA
1 stop16h 33m
Air Canada
Deal found 2/20$547
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/411:00 am
DCA
-
KEF
1 stop15h 05m
Icelandair
jue. 4/97:55 pm
KEF
-
DCA
1 stop16h 14m
Icelandair
Deal found 2/20$548
This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/124:20 pm
DCA
-
KEF
1 stop11h 35m
Air Canada
mié. 8/2610:00 am
KEF
-
DCA
1 stop13h 57m
Air Canada
Deal found 2/23$551
This BusinessClass deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/186:55 pm
DCA
-
KEF
1 stop9h 50m
Lufthansa
mar. 8/259:15 am
KEF
-
DCA
1 stop10h 23m
Lufthansa
Deal found 2/21$553

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$529
(Virgin Atlantic)

One-way from

$359
(oojo)

Popular in

December

Cheapest in

October

Average price

$446
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dom. 4/12

5:02 pm-9:30 am

1 stop12h 28m

Reykjavik Keflavik Intl

dom. 4/26

11:25 am-5:30 pm

1 stop10h 05m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

vie. 5/8

12:27 pm-9:30 am

2 stops17h 03m

Reykjavik Keflavik Intl

jue. 5/14

11:25 am-10:59 pm

2 stops15h 34m

$589

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 5/16

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

dom. 5/24

9:30 am-10:00 pm

1 stop16h 30m

$614

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

jue. 5/14

3:00 pm-7:40 am

1 stop12h 40m

Reykjavik Keflavik Intl

dom. 5/17

9:30 am-10:59 pm

2 stops17h 29m

$619

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 5/16

12:27 pm-6:20 am

1 stop13h 53m

Reykjavik Keflavik Intl

dom. 5/24

8:50 am-6:45 pm

2 stops13h 55m

$619

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dom. 4/26

9:40 am-9:30 am

2 stops19h 50m

Reykjavik Keflavik Intl

jue. 4/30

11:25 am-10:50 pm

2 stops15h 25m

$714

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 3/31

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

sáb. 4/4

11:25 am-5:00 pm

1 stop9h 35m

$839

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 4/11

5:40 pm-7:50 am

2 stops34h 10m

Reykjavik Keflavik Intl

sáb. 4/18

8:40 am-10:47 pm

2 stops18h 07m

$839

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

sáb. 4/11

5:02 pm-9:30 am

1 stop12h 28m

Reykjavik Keflavik Intl

sáb. 4/18

11:25 am-5:32 pm

1 stop10h 07m

$871

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 3/31

2:40 pm-9:30 am

2 stops14h 50m

Reykjavik Keflavik Intl

sáb. 4/4

11:25 am-5:00 pm

1 stop9h 35m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 results
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Delta and KLM fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 30m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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